Finite Element Method
Code  Completion  Credits  Range 

2016110  Z  3  2P+1C 
 Garant předmětu:
 Lecturer:
 Tutor:
 Supervisor:
 Department of Technical Mathematics
 Synopsis:

Mathematical background of the finite element method. Banach and Hilbert spaces. Linear forms, bilinear forms, scalar product. Hölder and Cauchy inequality. LaxMilgram theorem. Lebesgue and Sobolev spaces. Sobolev imbeddings theorem and the trace theorem. Green theorem. Substitution theorem. PoincareFriedrichs inequality.
Basic principle of the finite element method. Example of application for 1D problem, classical and weak solution, error estimates. Abstract variational formulation, Ritz and Galerkin problem. Existence and uniquness of the solution. Discrete Ritz and Galerkin problems. Cea's lemma (error estimate).
Application of finite element method for 2D problem. Weak formulation for the case of zero Dirichlet boundary condition. Discretization using Lagrangiang linear elements, finite element space and base construction. Assembling of the stiffness matrix and the load vector. Weak formulation for mixed boundary conditions. Reference element and mapping, extension to 3D and higher order finite elements.
Solution of the discrete problem – systems of linear equations. Direct and iterative methods. Gradient methods, conjugate gradient method and preconditioning.
 Requirements:
 Syllabus of lectures:

Mathematical background of the finite element method. Banach and Hilbert spaces. Linear forms, bilinear forms, scalar product. Hölder and Cauchy inequality. LaxMilgram theorem. Lebesgue and Sobolev spaces. Sobolev imbeddings theorem and the trace theorem. Green theorem. Substitution theorem. PoincareFriedrichs inequality.
Basic principle of the finite element method. Example of application for 1D problem, classical and weak solution, error estimates. Abstract variational formulation, Ritz and Galerkin problem. Existence and uniquness of the solution. Discrete Ritz and Galerkin problems. Cea's lemma (error estimate).
Application of finite element method for 2D problem. Weak formulation for the case of zero Dirichlet boundary condition. Discretization using Lagrangiang linear elements, finite element space and base construction. Assembling of the stiffness matrix and the load vector. Weak formulation for mixed boundary conditions. Reference element and mapping, extension to 3D and higher order finite elements.
Solution of the discrete problem – systems of linear equations. Direct and iterative methods. Gradient methods, conjugate gradient method and preconditioning.
 Syllabus of tutorials:

Basic principle. Mathematical background. Weak formulation of a boundary value problem. Approximation theory. Variational methods. Systems of linear equations. Heat transfer problem. Wave problem. Fluid mechanics.
 Study Objective:

Mathematical background of the finite element method. Banach and Hilbert spaces. Linear forms, bilinear forms, scalar product. Hölder and Cauchy inequality. LaxMilgram theorem. Lebesgue and Sobolev spaces. Sobolev imbeddings theorem and the trace theorem. Green theorem. Substitution theorem. PoincareFriedrichs inequality.
Basic principle of the finite element method. Example of application for 1D problem, classical and weak solution, error estimates. Abstract variational formulation, Ritz and Galerkin problem. Existence and uniquness of the solution. Discrete Ritz and Galerkin problems. Cea's lemma (error estimate).
Application of finite element method for 2D problem. Weak formulation for the case of zero Dirichlet boundary condition. Discretization using Lagrangiang linear elements, finite element space and base construction. Assembling of the stiffness matrix and the load vector. Weak formulation for mixed boundary conditions. Reference element and mapping, extension to 3D and higher order finite elements.
Solution of the discrete problem – systems of linear equations. Direct and iterative methods. Gradient methods, conjugate gradient method and preconditioning.
 Study materials:

[1] C.Johnson: Numerical Solution of Partial Differential Equation by the Finite Element Method, Cambridge University Press, 1987, ISBN 0521347580.
 Note:
 Further information:
 No timetable has been prepared for this course
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